Exhumation involves uncovering a buried item, particularly a corpse, and is a legal process.
Step 1: Identify key roles.
(1, 2, 4) District Magistrate, Sub Divisional Magistrate, Judicial Magistrate: These officials, either executive or judicial, can legally mandate and supervise an exhumation during a criminal investigation, ensuring legal compliance and procedural integrity.
(3) Advocate General: The Advocate General, the state government's top legal advisor, provides legal counsel and court representation. They are not directly involved in on-site criminal investigation procedures like exhumation.
Step 2: Conclusion. Based on these roles, the Advocate General is not involved in the on-site exhumation process.